7001 ACD/P4ATBTC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7001 ACD/P4ATBTC
Basic Information
System of measurement
Metric
Weight
0.063 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.004mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2106 lbf
Radial static load rating
1238 lbf
Limiting speed
110 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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7001 ACD/P4ATBTC Bearing Product Overview & Core Advantages
The 7001 ACD/P4ATBTC is a metric precision angular contact ball bearing specifically designed for demanding applications requiring exceptional rotational accuracy and rigidity. This bearing features a triplex back-to-back (TBT) matched arrangement of three individual bearings, providing superior stiffness and stability under complex combined loads. With a P4A tolerance class and moderate preload (Class C), it delivers high running accuracy and is optimized for high-speed operation up to 110,000 rpm. Its compact design, utilizing a phenolic cage, makes it an ideal solution for high-precision spindles and machinery.
7001 ACD/P4ATBTC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high precision tolerance class for enhanced running accuracy. |
| TBT | Signifies the bearing is supplied as part of a Triplex Back-to-Back matched set. |
| C | Denotes a Moderate preload applied to the bearing set for optimal rigidity. |
7001 ACD/P4ATBTC Bearing Structural Features & Performance Benefits
- High Rigidity and Stability: The triplex back-to-back arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise positioning and minimal runout.
- Superior Load Capacity: The 25° contact angle and triple-bearing configuration provide excellent capacity for handling combined radial and axial loads simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the precision-ground chrome steel components contribute to smooth operation and a high limiting speed of 110,000 rpm.
- Pre-Configured Precision: Supplied as a matched set of 3 bearings with moderate preload, this unit is ready for installation, eliminating complex setup and ensuring consistent, high-performance operation directly from the factory.
7001 ACD/P4ATBTC Bearing Typical Application Areas
This bearing is engineered for high-performance applications where precision, speed, and rigidity are critical. Key industries and equipment include:
- Machine Tool Spindles (e.g., for milling, grinding, and drilling)
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Drives
